{"coeffs": [-1.4962469031279807e-06, 1.8231672302900975e-05, 0.37022656381636404, 0.2734933013344571], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.0844344169996512e-06, 4.2937436194584845e-06, 0.1139880029349231, 0.08343522391857966], "covariance": [[1.1759980047733735e-12, -3.4939604163248876e-12, -7.22309646421366e-08, -8.081622129117579e-08], [-3.493960416324886e-12, 1.843623426964045e-11, 4.733654604008119e-07, 3.3547597244139685e-07], [-7.223096464213664e-08, 4.7336546040081197e-07, 0.012993264813092037, 0.008093111653767806], [-8.081622129117582e-08, 3.3547597244139695e-07, 0.008093111653767806, 0.006961436590343526]]}